diff --git a/assets/.DS_Store b/assets/.DS_Store
new file mode 100644
index 0000000..f60a81c
Binary files /dev/null and b/assets/.DS_Store differ
diff --git a/assets/bi.svg b/assets/bi.svg
new file mode 100644
index 0000000..a8540fa
--- /dev/null
+++ b/assets/bi.svg
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="600" height="600" version="1.0"> 
+
+  <!-- Simple bipartite graph example, this work is released by it's author in the Public Domain. -->
+
+  <defs id="shapes_and_styles">
+    <style type="text/css"><![CDATA[
+      .styleLink { stroke:#000000; stroke-width:5; }
+      .styleU { fill:#5050A0; stroke:#000000; stroke-width:1.5; }
+      .styleV { fill:#50A050; stroke:#000000; stroke-width:1.5; }
+      .style_ensU { fill:none; stroke:#5050A0; stroke-width:2; }
+      .style_ensV { fill:none; stroke:#50A050; stroke-width:2; }
+      .labels {font-size:32px; font-style:normal; font-family:Bitstream Vera Sans}
+    ]]></style>
+  </defs>
+
+  <path class="style_ensU" d="M 100,50 C 200,50 200,550 100,550 C 000,550 000,50 100,50 " />
+  <path class="style_ensV" d="M 500,50 C 600,50 600,550 500,550 C 400,550 400,50 500,50 " />
+
+  <text class="labels" x="90" y="45" id="LabelU">U</text>
+  <text class="labels" x="490" y="45" id="LabelU">V</text>
+  
+  <path class="styleLink" d="M 100,100 L 500,200" />
+  <path class="styleLink" d="M 100,200 L 500,300" />
+  <path class="styleLink" d="M 100,500 L 500,200" />
+  <path class="styleLink" d="M 100,300 L 500,500" />
+  <path class="styleLink" d="M 100,500 L 500,500" />
+  <path class="styleLink" d="M 100,200 L 500,200" />
+  <path class="styleLink" d="M 100,400 L 500,300" />
+  <path class="styleLink" d="M 100,300 L 500,400" />
+  <circle class="styleU" cx="100" cy="100" r="10" />
+  <circle class="styleU" cx="100" cy="200" r="10" />
+  <circle class="styleU" cx="100" cy="300" r="10" />
+  <circle class="styleU" cx="100" cy="400" r="10" />
+  <circle class="styleU" cx="100" cy="500" r="10" />
+  <circle class="styleV" cx="500" cy="200" r="10" />
+  <circle class="styleV" cx="500" cy="300" r="10" />
+  <circle class="styleV" cx="500" cy="400" r="10" />
+  <circle class="styleV" cx="500" cy="500" r="10" />
+</svg>
+
diff --git a/assets/cluster.png b/assets/cluster.png
new file mode 100644
index 0000000..19492a9
Binary files /dev/null and b/assets/cluster.png differ
diff --git a/assets/commu.png b/assets/commu.png
new file mode 100644
index 0000000..5193a09
Binary files /dev/null and b/assets/commu.png differ
diff --git a/assets/fb.png b/assets/fb.png
new file mode 100644
index 0000000..aa3b77e
Binary files /dev/null and b/assets/fb.png differ
diff --git a/assets/fb_2.png b/assets/fb_2.png
new file mode 100644
index 0000000..7898132
Binary files /dev/null and b/assets/fb_2.png differ
diff --git a/assets/graphe.png b/assets/graphe.png
new file mode 100644
index 0000000..4f916db
Binary files /dev/null and b/assets/graphe.png differ
diff --git a/assets/hamlet.png b/assets/hamlet.png
new file mode 100644
index 0000000..a01a557
Binary files /dev/null and b/assets/hamlet.png differ
diff --git a/assets/influ.png b/assets/influ.png
new file mode 100644
index 0000000..4288a90
Binary files /dev/null and b/assets/influ.png differ
diff --git a/assets/influ_2.png b/assets/influ_2.png
new file mode 100644
index 0000000..46f38f8
Binary files /dev/null and b/assets/influ_2.png differ
diff --git a/assets/rs.png b/assets/rs.png
new file mode 100644
index 0000000..4c42a43
Binary files /dev/null and b/assets/rs.png differ
diff --git a/assets/x.png b/assets/x.png
new file mode 100644
index 0000000..eac2093
Binary files /dev/null and b/assets/x.png differ